Reference for Outlook error codes
Updated at:
Disclaimer: This topic may contain information from community contributions or third-party products. For help and support, visit the official website of the community or third-party product. Third-party products are not covered by Alibaba Cloud's after-sales support. This topic is for reference only. Alibaba Cloud makes no express or implied warranties.
Outlook Q&A search (search for the displayed error code, such as "0x8004060C"):
Outlook error code reference
General Errors--------------
Error Code Error Type Description
---------- ------------------------ ------------------------------
0x800CCC00 LOAD_SICILY_FAILED Authentication not loaded.
0x800CCC01 INVALID_CERT_CN Invalid certificate content.
0x800CCC02 INVALID_CERT_DATE Invalid certificate date.
0x800CCC03 ALREADY_CONNECTED User is already connected.
0x800CCC04 CONN
0x800CCC05 NOT_CONNECTED Not connected to the server.
0x800CCC06 CONN_SEND
0x800CCC07 WOULD_BLOCK
0x800CCC08 INVALID_STATE
0x800CCC09 CONN_RECV
0x800CCC0A INCOMPLETE Message download not complete.
0x800CCC0B BUSY Server or mailbox is busy.
0x800CCC0C NOT_INIT
0x800CCC0D CANT_FIND_HOST Cannot find the server.
0x800CCC0E FAILED_TO_CONNECT Cannot connect to the server.
0x800CCC0F CONNECTION_DROPPED Connection was closed.
0x800CCC10 INVALID_ADDRESS Unknown address on the server.
0x800CCC11 INVALID_ADDRESS_LIST Unknown mailing list on the server.
0x800CCC12 SOCKET_READ_ERROR Cannot send WINSOCK request.
0x800CCC13 SOCKET_WRITE_ERROR Cannot read Winsock reply.
0x800CCC14 SOCKET_INIT_ERROR Cannot initialize Winsock.
0x800CCC15 SOCKET_CONNECT_ERROR Cannot open Windows socket.
0x800CCC16 INVALID_ACCOUNT User account not recognized.
0x800CCC17 USER_CANCEL User canceled the operation.
0x800CCC18 SICILY_LOGON_FAILED Logon attempt failed.
0x800CCC19 TIMEOUT
0x800CCC1A SECURE_CONNECT_FAILED Cannot connect using Secure Sockets Layer (SSL).
WINSOCK Errors--------------
Error Code Error Type Description
---------- ------------------------ ------------------------------
0x800CCC40 WINSOCK_WSASYSNOTREADY Network subsystem is unavailable.
0x800CCC41 WINSOCK_WSAVERNOTSUPPORTED Windows Sockets cannot support this application.
0x800CCC42 WINSOCK_WSAEPROCLIM
0x800CCC43 WINSOCK_WSAEFAULT Bad address.
0x800CCC44 WINSOCK_FAILED_WSASTARTUP Cannot load Windows Sockets.
0x800CCC45 WINSOCK_WSAEINPROGRESS Operation in progress. This error occurs if a Windows Sockets API is called while a blocking function is in progress.
Simple Mail Transfer Protocol (SMTP) Errors--------------------------------------------
Error Code Error Type Description
---------- ------------------------ --------------------------------
0x800CCC60 SMTP_RESPONSE_ERROR Invalid response.
0x800CCC61 SMTP_UNKNOWN_RESPONSE_CODE Unknown error code.
0x800CCC62 SMTP_500_SYNTAX_ERROR Syntax error returned.
0x800CCC63 SMTP_501_PARAM_SYNTAX Incorrect parameter syntax.
0x800CCC64 SMTP_502_COMMAND_NOTIMPL Command not implemented.
0x800CCC65 SMTP_503_COMMAND_SEQ Bad sequence of commands.
0x800CCC66 SMTP_504_COMMAND_PARAM_NOTIMPL Command parameter not implemented.
0x800CCC67 SMTP_421_NOT_AVAILABLE Command not available.
0x800CCC68 SMTP_450_MAILBOX_BUSY Mailbox is locked and busy.
0x800CCC69 SMTP_550_MAILBOX_NOT_FOUND Mailbox not found.
0x800CCC6A SMTP_451_ERROR_PROCESSING Error processing request.
0x800CCC6B SMTP_551_USER_NOT_LOCAL User mailbox is known, but the mailbox is not on this server.
0x800CCC6C SMTP_452_NO_SYSTEM_STORAGE No space to store the message.
0x800CCC6D SMTP_552_STORAGE_OVERFLOW Storage limit exceeded.
0x800CCC6E SMTP_553_MAILBOX_NAME_SYNTAX Invalid mailbox name syntax.
0x800CCC6F SMTP_554_TRANSACT_FAILED Transaction failed.
0x800CCC78 SMTP_REJECTED_SENDER Unknown sender. This error occurs when the email address in the "Reply-To" field is incorrect.
0x800CCC79 SMTP_REJECTED_RECIPIENTS The server rejected the recipients.
0x800CCC7A SMTP_NO_SENDER Sender address not specified.
0x800CCC7B SMTP_NO_RECIPIENTS Recipient address not specified.
Post Office Protocol version 3 (POP3) Errors--------------------------------------------
Error Code Error Type Description
---------- ------------------------ -----------------------------
0x800420CB POP3_NO_STORE Message cannot be stored on the server.
0x800CCC90 POP3_RESPONSE_ERROR Invalid client response.
0x800CCC91 POP3_INVALID_USER_NAME Invalid username or user not found.
0x800CCC92 POP3_INVALID_PASSWORD Invalid password for the account.
0x800CCC93 POP3_PARSE_FAILURE Cannot interpret the response.
0x800CCC94 POP3_NEED_STAT STAT command is required.
0x800CCC95 POP3_NO_MESSAGES No messages on the server.
0x800CCC96 POP3_NO_MARKED_MESSAGES No messages marked for retrieval.
0x800CCC97 POP3_POPID_OUT_OF_RANGE Message ID number is out of range.
HTTPMail Errors--------------
Error Code Error Type Description
---------- -------------------- ---------------------------
0x800CCC31 Incorrect request configuration, or a bad or malicious request.Network News Transfer Protocol (NNTP) Errors---------------------------------------------
Error Code Error Type Description
---------- ------------------------ ---------------------------
0x800CCCA0 NNTP_RESPONSE_ERROR News server response error.
0x800CCCA1 NNTP_NEWGROUPS_FAILED Newsgroup access failed.
0x800CCCA2 NNTP_LIST_FAILED The LIST command to the server failed.
0x800CCCA3 NNTP_LISTGROUP_FAILED Cannot display the list.
0x800CCCA4 NNTP_GROUP_FAILED Cannot open the group.
0x800CCCA5 NNTP_GROUP_NOTFOUND The group is not on the server.
0x800CCCA6 NNTP_ARTICLE_FAILED The article is not on the server.
0x800CCCA7 NNTP_HEAD_FAILED Article header not found.
0x800CCCA8 NNTP_BODY_FAILED Article body not found.
0x800CCCA9 NNTP_POST_FAILED Cannot post to the server.
0x800CCCAA NNTP_NEXT_FAILED Cannot open the next article.
0x800CCCAB NNTP_DATE_FAILED Cannot display the date.
0x800CCCAC NNTP_HEADERS_FAILED Cannot display headers.
0x800CCCAD NNTP_XHDR_FAILED Cannot display MIME headers.
0x800CCCAE NNTP_INVALID_USERPASS Invalid user or password.
Remote Access Service (RAS) Errors----------------------------------
Error Code Error Type Description
---------- ----------------------- ------------------------------
0x800CCCC2 RAS_NOT_INSTALLED RAS/DUN not installed.
0x800CCCC3 RAS_PROCS_NOT_FOUND RAS/DUN process not found.
0x800CCCC4 RAS_ERROR RAS/DUN error returned.
0x800CCCC5 RAS_INVALID_CONNECTOID Connectoid is damaged or missing.
0x800CCCC6 RAS_GET_DIAL_PARAMS Error getting dial settings.
Internet Mail Access Protocol (IMAP) Errors----------------------------------------------
Error Code Error Type Description
---------- ------------------------ -----------------------------
0x800CCCD1 IMAP_LOGINFAILURE Logon failed.
0x800CCCD2 IMAP_TAGGED_NO_RESPONSE The server returned a tagged NO response.
0x800CCCD3 IMAP_BAD_RESPONSE Invalid response to the request.
0x800CCCD4 IMAP_SVR_SYNTAXERR Syntax error.
0x800CCCD5 IMAP_NOTIMAPSERVER Not an IMAP server.
0x800CCCD6 IMAP_BUFFER_OVERFLOW Buffer limit exceeded.
0x800CCCD7 IMAP_RECVR_ERROR Recovery error.
0x800CCCD8 IMAP_INCOMPLETE_LINE Incomplete data.
0x800CCCD9 IMAP_CONNECTION_REFUSED Connection not allowed.
0x800CCCDA IMAP_UNRECOGNIZED_RESP Unrecognized response.
0x800CCCDB IMAP_CHANGEDUID User ID has changed.
0x800CCCDC IMAP_UIDORDER User ID command failed.
0x800CCCDD IMAP_UNSOLICITED_BYE Connection unexpectedly dropped.
0x800CCCDE IMAP_IMPROPER_SVRSTATE Invalid server state.
0x800CCCDF IMAP_AUTH_NOT_POSSIBLE Cannot authorize the client.
0x800CCCE0 IMAP_OUT_OF_AUTH_METHODS No more authorization types.Is this page helpful?